package com.example.week9;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;

import java.util.ArrayList;


public class ListView3_Activity extends AppCompatActivity {
    private String[]learningSiteArray={"逸夫图书馆","承先图书馆","综合楼","四教","五教","六教"};

    ArrayList arrayList=new ArrayList();

    ListView listView=null;

    EditText addEdt;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_list_view3_);

        for(int i=0;i<learningSiteArray.length;i++){
            arrayList.add(learningSiteArray[i]);
        }

        listView= (ListView) findViewById(R.id.listview3);

        final ArrayAdapter adapter=new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,arrayList);

        listView.setAdapter(adapter);

        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                Toast.makeText(ListView3_Activity.this,"你选择了"+learningSiteArray[position],Toast.LENGTH_LONG)
                        .show();
            }
        });

        addEdt= (EditText) findViewById(R.id.addListView3Edt);
        findViewById(R.id.addListView3Bnt).setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View view){
                arrayList.add(addEdt.getText().toString());

                adapter.notifyDataSetInvalidated();

                addEdt.setText("");
            }
        });
    }
}
